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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
how many grams of silicon are present in 35 grams of silicon?
I get stuck on how to explain things.. eg I need to explain that you coat 5 nails and put one different nail with a different coating into a different substance etc, and i just can
Which kind of volcano is the most destructive? Well each type of volcano can be very destructive and if you are talking in human loss of life terms than the answer is any type
Molar conductivity: The rate of charge transfer is proportional to the number of ions in the solution between the plates, which itself will vary with the concentration, c, of
Q. Use values of Δ f H and Δ f G to evaluate the standard molar reaction enthalpy and the thermodynamic equilibrium constant at 298.15 K for the oxidation of nitrogen to form a
migration of ions,relatuve speed of ions,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
where is the asterisk located
Explain DTA
Silicon has 4 electrons in the outermost orbit. In forming the bonds: (1) It gains electrons (2) It loses electrons (3) It shares electrons (4) None of these Ans: I
write the different units of hardness with their relationship
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